i always heard it was such a slow motor but i did a whole catback and headers and dual snorkel intake and this thing will roast the tires without dropping it from like 2000. Also should a lg4 sqeak the tires if u gun it in first and then squeak em again in second. the guy i bought it from may have been mistaken....

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86 IROC LG4,DUAL SNORKEL,AMERICAN THUNDER,3.27 GEARS

 

I was going to say that having an open rear would make it very easy to spin your 'tire', but you say you have 3.27s, and to my knowledge they never made open 9 bolt rear ends. The main things that choke the LG4 are the tiny camshaft and the pathetic exhaust. You replaced the exhaust, and on that motor freeing up the exhaust is worth a solid 15-20hp. You probably did 25hp in mods between the exhaust and intake, bringing you up to around 185hp. That's good for a mid to high 15 in the 1/4 mile. Replace the cam and intake manifold and you'll see 14s without a doubt.

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91 Trans Am WS6
Bright White
5.0 TPI auto
Flowmaster 3" 2 chamber catback
Trans Go shiftkit
2000 stall converter

supposed 'peanut cammed' car (yeah, right)

Built on Wednesday

 

With the right 'tweaks', for sure...
PS...mine will chirp going into fourth...

Pete

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Pete's Place
HiOutput <a href="http://www.hioutput.com/rpmworld.html">Virtual Racing Team</a>

<IMG SRC="http://www.hioutput.com/pics/SC.gif" TITLE="Pete's 83 SC">
My 83 SC...(originally V6) 199,000 mile LG4/5-speed from an 84 Z28, 3.42 one-tire-fryer, T-tops, PW, PH, boxed LCA's, Hedman Hedders and y-pipe, Dynomax cat-back, .420" lift cam, custom air induction .....best ET is 14.935@94.14</P>